1 |
Stalks of basal pinnae 3-4 cm |
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(2) |
+ |
Stalks of basal pinnae ca. 1 cm |
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(4) |
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2 (1) |
Sori exindusiate. |
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124 D. dehuaensis |
+ |
Sori indusiate |
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(3) |
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3 (2) |
Scales on stipe, rachis, and pinna rachis black; indusium entire. |
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122 D. sordidipes |
+ |
Scales on stipe, rachis, and pinna rachis brown; indusium ciliate. |
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123 D. xunwuensis |
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4 (1) |
Lamina pentagonal, as long as broad, tripinnate, ultimate pinnules pinnatipartite |
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(5) |
+ |
Lamina deltoid-oblong or ovate, much longer than broad, bipinnate or tripinnate, ultimate pinnules entire or pinnatilobate |
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(6) |
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5 (4) |
Scales on stipe light brown; pinnae and pinnules distinctly stalked. |
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125 D. amurensis |
+ |
Scales on stipe black; pinnae and pinnules subsessile. |
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126 D. formosana |
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6 (4) |
Ultimate pinnules or segments ovate; stipe base densely scaly, scales brown, linear-lanceolate. |
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127 D. yongdeensis |
+ |
Ultimate pinnules or segments lanceolate; stipe base with narrowly lanceolate scales, scales black, brown, or bicolorous |
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(7) |
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7 (6) |
Scales on stipe base wholly black. |
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128 D. pacifica |
+ |
Scales on stipe base brown or bicolorous |
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(8) |
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8 (7) |
Scales on stipe base brown, hairlike at apex |
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(9) |
+ |
Scales on stipe base bicolorous, brown on base and margin, black at center and apex |
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(10) |
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9 (8) |
Lamina bipinnate, caudate-acuminate; sori larger, usually in 1 row on either side of pinna rachis. |
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129 D. immixta |
+ |
Lamina bipinnate to tripinnate, acute; sori smaller, scattered on either side of pinna rachis. |
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130 D. varia |
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10 (8) |
Scales on stipe and rachis deflexed. |
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131 D. saxifraga |
+ |
Scales on stipe and rachis not deflexed, scattered or appressed |
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(11) |
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11 (10) |
Rachis and pinna rachis densely covered with bullate scales. |
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132 D. setosa |
+ |
Bullate scales sparse on rachis and pinna rachis. |
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133 D. sacrosancta |
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